/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemBlueprintLibrary.h
Adds LinkedGameplayEffect to SpecHandles. LinkedGameplayEffectSpec will be applied when/if SpecHandle is applied successfully. This will initialize the LinkedGameplayEffect's Spec for you. Returns to NEW linked spec in case you want to add more to it.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Ability|GameplayEffect", Meta=(DeprecatedFunction, DeprecatedMessage="Linked GameplayEffects aren't replicated. Configure the GameplayEffect asset with a suitable GameplayEffectComponent.")) static [FGameplayEffectSpecHandle](API\Plugins\GameplayAbilities\FGameplayEffectSpecHandle) AddLinkedGameplayEffect ( [FGameplayEffectSpecHandle](API\Plugins\GameplayAbilities\FGameplayEffectSpecHandle) SpecHandle, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UGameplayEffect](API\Plugins\GameplayAbilities\UGameplayEffect) > LinkedGameplayEffect )